CIA intelligence survey of the PKI's history, structure and front organisations, May 1955, before the September 1955 elections. Section III.E (report pp. 49-50) profiles Gerwani: founded 1950 as Gerwis, renamed Gerwani at the March 1954 congress, 25,000+ members, S.K. Trimurti general chairman and Umi Sardjono chairman
Donald Hindley's 1961 ANU PhD thesis on the Indonesian Communist Party under the Aidit leadership, 1951-1961, covering PKI strategy, party-building, finances, mass organisations and elections. Section 'Women' (pp. 422-448, esp. 'Gerwani', pp. 428-441) traces Gerwis from its founding on 4 June 1950 (about 500 members) t
Tempo profile (21 April 1990), in S.K. Trimurti's own first-person voice, of her life from teacher and Partindo cadre to labour minister and spiritualist. She says she co-founded Gerwis around 1950 (Ketua III, Yogyakarta), that Gerwis became Gerwani at its third congress under Umi Sardjono, and that in 1965 she quit Ge
PhD dissertation (History, University of Washington, 2020) by Hongxuan Lin tracing the confluence of Islam and Marxism in the Netherlands East Indies and Indonesia, 1915-1959, through vernacular print culture; it genealogises Sukarno's NASAKOM. Gerwani appears only briefly: citing Blackburn, it says millions joined for
Tempo.co explainer (29 Sept 2021) on organisations 'considered affiliated' with the PKI: Gerwani, Lekra, SOBSI, Pemuda Rakjat. It states, citing Wieringa, that Gerwis became Gerwani at its 1954 second congress, electing PKI member Umi Sardjono as chair. Short, background-level.